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4238285 = 5847657
BaseRepresentation
bin10000001010101111001101
321222022211112
4100022233031
52041111120
6230501405
751011342
oct20125715
97868745
104238285
112435317
121504865
13b5517c
147c47c9
1558abc5
hex40abcd

4238285 has 4 divisors (see below), whose sum is σ = 5085948. Its totient is φ = 3390624.

The previous prime is 4238281. The next prime is 4238303. The reversal of 4238285 is 5828324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1885129 + 2353156 = 1373^2 + 1534^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238285 - 22 = 4238281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423824 + ... + 423833.

It is an arithmetic number, because the mean of its divisors is an integer number (1271487).

Almost surely, 24238285 is an apocalyptic number.

It is an amenable number.

4238285 is a deficient number, since it is larger than the sum of its proper divisors (847663).

4238285 is an equidigital number, since it uses as much as digits as its factorization.

4238285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847662.

The product of its digits is 15360, while the sum is 32.

The square root of 4238285 is about 2058.7095472650. The cubic root of 4238285 is about 161.8316215267.

The spelling of 4238285 in words is "four million, two hundred thirty-eight thousand, two hundred eighty-five".

Divisors: 1 5 847657 4238285